These detailed outputs accompany the Treasury Analytical Note "Fiscal incidence in New Zealand: The effects of taxes and benefits on household incomes in tax year 2018/19" https://www.treasury.govt.nz/publications/an/an-24-01.
This code can be modified and customised by users to meet the needs of specific projects, and in all cases the Analytics and Insights Team, Te Tai Ōhanga, New Zealand Treasury must be acknowledged as a source. While all care and diligence has been used in developing this code, the Treasury gives no warranty it is error free and will not be liable for any loss or damage suffered as a result of its use, either directly or indirectly.